Make command exec functions return an enum rather than -1/0/1 values and

add a new value to mean "leave client running but don't attach" to fix
problems with using some commands in a command sequence. Most of the
work by Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.

1 files changed, 6 insertions, 6 deletions

diff --git a/cmd-respawn-pane.c b/cmd-respawn-pane.c
index 71e07831..3860dc93 100644
--- a/cmd-respawn-pane.c
+++ b/cmd-respawn-pane.c
@@ -28,7 +28,7 @@
  * Respawn a pane (restart the command). Kill existing if -k given.
  */
 
-int	cmd_respawn_pane_exec(struct cmd *, struct cmd_ctx *);
+enum cmd_retval	 cmd_respawn_pane_exec(struct cmd *, struct cmd_ctx *);
 
 const struct cmd_entry cmd_respawn_pane_entry = {
 	"respawn-pane", "respawnp",
@@ -40,7 +40,7 @@ const struct cmd_entry cmd_respawn_pane_entry = {
 	cmd_respawn_pane_exec
 };
 
-int
+enum cmd_retval
 cmd_respawn_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct args		*args = self->args;
@@ -54,7 +54,7 @@ cmd_respawn_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
 	u_int			 idx;
 
 	if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL)
-		return (-1);
+		return (CMD_RETURN_ERROR);
 	w = wl->window;
 
 	if (!args_has(self->args, 'k') && wp->fd != -1) {
@@ -62,7 +62,7 @@ cmd_respawn_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
 			fatalx("index not found");
 		ctx->error(ctx, "pane still active: %s:%u.%u",
 		    s->name, wl->idx, idx);
-		return (-1);
+		return (CMD_RETURN_ERROR);
 	}
 
 	environ_init(&env);
@@ -82,11 +82,11 @@ cmd_respawn_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
 		ctx->error(ctx, "respawn pane failed: %s", cause);
 		free(cause);
 		environ_free(&env);
-		return (-1);
+		return (CMD_RETURN_ERROR);
 	}
 	wp->flags |= PANE_REDRAW;
 	server_status_window(w);
 
 	environ_free(&env);
-	return (0);
+	return (CMD_RETURN_NORMAL);
 }